<div class="banner" id="banner">
    <a href="javascript:kefuzixun()" class="d1" style="background:url(./static/images/index/banner3.jpg?v1.21) center no-repeat;"></a>
    <a href="javascript:kefuzixun()" class="d1" style="background:url(./static/images/index/banner1.jpg?v1.2) center no-repeat;"></a>
    <a href="javascript:kefuzixun()" class="d1" style="background:url(./static/images/index/banner2.jpg?v1.2) center no-repeat;"></a>
    <div class="d2" id="banner_id">
        <ul>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</div>